How have humans caused damage and change to each of the earths spheres

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases

True or false: shear stress is force applied to rock in two opposing directions parallel to a surface such as a fault plane. i think its true